401222434 has 4 divisors (see below), whose sum is σ = 601833654. Its totient is φ = 200611216.

The previous prime is 401222387. The next prime is 401222441. The reversal of 401222434 is 434222104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 361570225 + 39652209 = 19015^2 + 6297^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100305607 + ... + 100305610.

Almost surely, 2^401222434 is an apocalyptic number.

401222434 is a deficient number, since it is larger than the sum of its proper divisors (200611220).

401222434 is a wasteful number, since it uses less digits than its factorization.

401222434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200611219.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 401222434 is about 20030.5375364717. The cubic root of 401222434 is about 737.5561173041.

Adding to 401222434 its reverse (434222104), we get a palindrome (835444538).

The spelling of 401222434 in words is "four hundred one million, two hundred twenty-two thousand, four hundred thirty-four".